Question about 2005 Ford F-150

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Tac indicator light came on what is this

Indicator light came indicating ''TAC''

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  • jkgau Mar 13, 2009

    thanks for the effort

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That is the Throttle Actuator Control (TAC). This could be many things really, hard to say without knowing a code. You may want to see if you can run it by somewhere to pull which codes are popping up to make this light come on.

Posted on Mar 12, 2009

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Posted on Jan 02, 2017

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TROUBLE CODE 2004 ISUZU U0107


Usually requires a new throttle actuator which may only be available as part of a throttle body assembly

Aug 27, 2016 | 2004 Isuzu Ascender

1 Answer

My H2 2006 jerks forward sometimes while I'm stopped at a light. My mechanic just had it there and no warning lights are on anywhere. Has anyone had that issue?


Have you had it to the dealer ? May have TSB - technical service bulletin. TSB'S are factory technical information publications on know problems with fixes for dealer technicians . May also have up dated soft ware for your vehicles PCM - powertrain control module that may fix this problem . Could have a problem in the
Throttle Actuator Control (TAC) System - Electronic throttle control .Not all problems set trouble codes . And all car manufacturers have some problems with these systems .
The throttle actuator control (TAC) system delivers improved throttle response and greater reliability and eliminates the need for mechanical cable. The TAC system performs the following functions:
?€¢
Accelerator pedal position (APP) sensing


?€¢
Throttle positioning to meet driver and engine demands


?€¢
Throttle position sensing


?€¢
Internal diagnostics


?€¢
Cruise control functions


?€¢
Manage TAC electrical power consumption

The TAC system components include the following:
?€¢
The APP sensors


?€¢
The throttle body assembly


?€¢
The TAC module


?€¢
The powertrain control module (PCM)

Jun 10, 2016 | Cars & Trucks

1 Answer

Need to know what code 2110 ford fusion 2006 se


P2110 2006 FORD FUSION P2110 2006 FORD FUSION - Throttle Actuator Control System - Forced Limited RPM 0 Comments ' Add Yours Possible causes - Faulty Throttle Actuator Control (TAC)
- Throttle Actuator Control (TAC) harness is open or shorted
- Throttle Actuator Control (TAC) circuit poor electrical connection help.png Help with this Symptoms - Engine Light ON (or Service Engine Soon Warning Light P2110 2006 FORD FUSION Description The TAC system is in the failure mode effects management (FMEM) mode of forced limited RPM.

Read more: http://helpforcars.net/obd_codes/p2110_2006_ford_fusion.html#ixzz3mV0SayWu

Sep 22, 2015 | 2006 Ford Fusion

1 Answer

What does 2110 code on 2006 ford fusion mean


P2110 2006 FORD FUSION P2110 2006 FORD FUSION - Throttle Actuator Control System - Forced Limited RPM 0 Comments ' Add Yours Possible causes - Faulty Throttle Actuator Control (TAC)
- Throttle Actuator Control (TAC) harness is open or shorted
- Throttle Actuator Control (TAC) circuit poor electrical connection > Help with this Symptoms - Engine Light ON (or Service Engine Soon Warning Light P2110 2006 FORD FUSION Description The TAC system is in the failure mode effects management (FMEM) mode of forced limited RPM.

Read more: http://helpforcars.net/obd_codes/p2110_2006_ford_fusion.html#ixzz3mUz73ACP

Sep 22, 2015 | 2006 Ford Fusion

3 Answers

Engine power loss message


You need to have it checked for DTC'S - diagnostic trouble codes , There is a problem with throttle actuator control (TAC) - electronic throttle control !
Throttle Actuator Control (TAC) Overview
The throttle actuator control (TAC) system uses vehicle electronics and components to calculate and control the position of the throttle blade. This eliminates the need for a mechanical cable attachment from the accelerator pedal to the throttle body. This system also performs the cruise control functions as well.
The TAC system components include, but are not limited to the following:
?€¢
The accelerator pedal position (APP) sensors

?€¢
The throttle body

?€¢
The powertrain control module (PCM)
Each of these components interface together to ensure accurate calculations and control of the throttle position (TP).


Drive by Wire Function and Diagnostics by Wells

Mar 29, 2015 | Cars & Trucks

1 Answer

Engine won't start and shows trouble code P1516 and reduced engine power light is on


Here is the definition of the code.

Possible causes - Faulty Throttle Actuator Control (TAC) module
- Throttle Actuator Control (TAC) module harness is open or shorted
- Throttle Actuator Control (TAC) module circuit poor electrical connection (loose or broken wires)

P1516 CHEVROLET Description The Throttle Actuator Control (TAC) module contains data which is essential for proper TAC operation. The TAC module continuously test the integrity of this data. When the TAC module is unable to write or read data to and from Random Access Memory (RAM), or the TAC module is unable to correctly read data from the flash memory or and internal TAC module processor fault is detected and the Detected Trouble Code (DTC) is set.
Read more: http://engine-codes.com/p1516_chevrolet.html#ixzz286Gl3cSo

Sep 28, 2012 | 2002 Chevrolet TrailBlazer

1 Answer

Waht ist tha p1516


DTC P1516 - Throttle Actuator Control (TAC) Module Throttle Actuator Position Performance

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Circuit Description (click over pic for zoom)
The commanded throttle position, based on accelerator pedal position and possibly other limiting factors, is compared to the Actual throttle position. The 2 values should be within a calibrated range of each other. Both the PCM and the TAC module redundantly monitor the Commanded and Actual throttle position. This DTC sets if the TAC module detects the problem.

Conditions for Setting the DTC
1. DTC P1518 is not set.
2. The ignition switch is in the crank or run position.
3. The ignition voltage is greater than 5.23 volts.
4. Not in battery saver mode.
5. The TAC module detects that the commanded and actual throttle positions are not within a calibrated range of each other or the PCM and the TAC cannot determine throttle position or both TP sensors are invalid.
6. All above conditions met for less than 1 second.

Action Taken When the DTC Sets
1. The PCM will illuminate the Malfunction Indicator Light (MIL) when this diagnostic runs and fails.
2. The Reduced Engine Power message displays on the drivers information center.
3. The PCM records the operating conditions at the time the diagnostic fails. The PCM stores this information in the Freeze Frame and/or Failure Records.
4. If no other TAC System DTCs are set, the TAC System will operate in Reduced Engine Power mode. If certain TAC System DTCs are set at the same time, the TAC System either defaults to a more tightly restricted mode of operation if the TAC determines that limited safe operation is possible, or the TAC commands the engine to shut down.

Conditions for Clearing the MIL/DTC
1. The PCM turns the MIL OFF after three consecutive drive trips that the diagnostic runs and does not fail.
2. A last test failed (Current DTC) will clear when the diagnostic runs and does not fail.
3. A History DTC clears after forty consecutive warm-up cycles, if this or any other emission related diagnostic does not report any failures.
4. The PCM battery voltage is interrupted.
5. Important
* The clear DTC info function may have to be performed twice in order to clear a Throttle Actuator Control System DTC.
* Clear the MIL/DTC information using a scan tool.

Diagnostic Aids
The following may cause an intermittent:
1. Poor connections. Check for adequate terminal tension. Refer to Troubleshooting Procedures, Checking Terminal Contact (Body and Accessories/Wiring Systems) for proper procedure.
2. Corrosion
3. Mis-routed harness
4. Rubbed through wire insulation
5. Broken wire inside the insulation
6. Inspect the TAC module connectors for signs of water intrusion. When this occurs, multiple DTCs should be set and no circuit or component problems can be located.

1. For an intermittent condition refer to Symptoms .
2. If a repair is completed and the DTC was cleared using a scan tool on the same ignition cycle, the default action will not clear until an ignition cycle has occurred.
3. When the TAC module detects a problem within the TAC System, more than one TAC System related DTC may set. This is due to the many redundant tests run continuously on this system. Locating and repairing one individual problem may correct more than one DTC. Keep this in mind when reviewing captured DTC info.

Test Description
The numbers below refer to the step numbers on the diagnostic table.

5. If the TP Indicated Angle does not follow the movement of the throttle blade, and no TP Sensor DTCs are set, there is a mechanical problem with the throttle shaft or the TP Sensor. Replace the throttle body assembly. Re-install the air inlet duct after you complete the repairs.

21. When a problem is detected within the TAC System, more than one TAC System related DTC may set. This is due to the many redundant tests run continuously on this system. It is possible that locating and repairing one individual problem may correct more than one DTC. Keep this in mind when reviewing captured DTC info.

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Hope helps.

Feb 10, 2011 | Chevrolet Malibu Cars & Trucks

1 Answer

Popping&grinding in front end . and service tac control indicator light comes on when you first start up& goes off with in short distance


If the grinding sound gets louder as you drive faster, it's probably the wheel bearings. The ABS sensor is in the hub with the bearings, so this could explain the light as well.

Apr 25, 2010 | 2003 Chevrolet Impala

1 Answer

Have a code on my 2007 ford fusion sel code p2111 TAC do you know what that is and what do i do to fix it. it would dont accellerate until i turned the motor off and turned back on. now it is ok still have...


P2111 PCM indicates the throttle plate is at a greater angle then commanded.

Possible causes:
- Binding in the Throttle Body, Stuck open,
- TAC Motor circuit are cross wired
- TAC Motor harness circuits are shorted together
- Damaged PCM unit.

Hope help with this.

Apr 19, 2010 | 2007 Ford Fusion I4 SEL Sedan

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